Device for converting motion



(No Model.) 2 Sheets-Sheet 1-.

' G. W. RICHARDSON.

. DEVICE FOR CONVERTING MOTION.

NO. 259,586. Patented June 13, 1882.

neaeseax U 2 Sheets-Sheet 2.

(No Model.)

e. W. RICHARDSON.

DEVIGE FOR'UONVERTING MOTION.

,586. A Patented June 13, 1882;

m". Washington. D c

GEORGE \V. RICHARDSON, OF MILTON, VERMONT.

DEVICE FOR CONVERTING MOTION.

SPECIFICATION forming part of Letters Patent No. 259,586, dated June 13,1882.

Application filed March 10, 1882.

To all whom. it may concern Be it known that I, GEORGE W. RICHARD- SON,a citizen of the United States, residing at Milton, in the county of(lhittenden and State of Vermont, have invented certain new and usefulImprovements in Converting Motion; and I do hereby declare the followingto be a full, clear, and exact description of the invention, such aswill enable others skilled in the art to which it appertains to make anduse the same, reference being had to the accom panyin g drawings, and toletters or figures of reference marked thereon, which form a part ofthis specification.

This invention relates to improvements in machines for converting motion5 and it consists in the construction and arrangement of the severalparts, as will be hereinafter fully described, and pointed out in theclaims.

In the drawings, Figure 1 is a plan view, Fig. 2 is a side elevation,and Fig. 3 is an end elevation, of a machine constructed accordin g tomy invention; and in Fig. 4 I show a modification, as hereinafterdescribed, and also a balance-wheel and a different mode of giving thehorizontal motion.

A is the base of the supporting-frame of my machine. a a are side barsextended up from the sides of one end, while near the opposite end I fixthe upright bar a.

Upon the upright bar a, I make fast the cross-piece a to the top ofwhich I secure the lugs a a within which I journal the shaft b of thewheels I), hereinafter described.

a is the shaft to which it is desired to give rotary motion. It isjournaled within and between the bars a a, near the upper end of saidbars.

0 c are wheels, which I key or make fast in any other manner desired tothe shaft 0.

D is the pawl-post. It is composed of the side bars, (I d, the back bar,d, and the front brace, (1 The bars (I d are journaled at their lowerends on the shaft 0, one on either side of the wheel 0, and extendupward above the said wheels. The back board, (1, is secured to the rearsides of the bars cl above the wheel 0. I leave sufficient space betweenthe lower end of the board cl and the upper periphery of wheel 0 topermit the pawl hereinafter described to be moved freely, as shown.

(1 is a spring formed the shape of a bail.

(No model.)

Its arms are fixed to the back board, d, and are extended above the topof the pawl-post, with its top piece, 62 in proper position to ongagcthe ratchets or notches in bar pivoted to top of pawl, as shown andhereinafter described.

e is the pawl. 1t isjonrnaled near its lower end on a pin fixed betweenthe inner sides of the bars 61.

It will be understood that the pawl-post need not necessarily bejournaled on the axle on which is mounted the wheel 0. The framing maybe so constructed that the pawl-post can be pivoted to it and have thesame concentric movement with the wheel 0 that it now has in thearrangement shown and described. This pawl e is formed at its lower endwith the double bearing-points c c". I slot the upper end of the pawl,and within the slot 1 pivot the end of a bar,f, the lower side of whichI out with notches or ratchetsff f arranged to be engaged by the top (1of spring (1 as shown. When the spring is engaged in the notch f, asshown in Fig.2, the bearing-point 0 will be pressed down on theperiphery of the wheel 0, and the said wheel will be thrown forward, asindicated by arrow.

I have only described one pawl with post, spring-bearings, 850.; but itwill be seen and understood that I employ two pawl-posts, one arrangedover each wheel a, and they operate together, as will be hereinafterdescribed.

In Figs. 1, 2, and 3 I employ connectingrods 9, one end of which I pivotto the forward side ofthe pawl-posts, near the top of same, and extendforward and pivot to the wheels 5. These wheels I) are fixed to theshaft 1). I pivot the end of the connecting-rods g to the sides of thesewheels oppositely to each other, and so that as the one connecting-rodis on the forward stroke the other is on the reverse stroke, giving thepawl-posts a reciprocating motion.

Motion may be communicated to the wheels I) by pulley-band or bycrank-handle D or in any other manner desired. It is often desirable togive the horizontal motion directly to the connecting-rods by connectingtherewith piston-rod from cylinder, as shown in Fig. 4.

It is often beneficial to form the pawl-posts double by extending thebars (1 on either side of the shaft 0 and providing them with pawls 0,bars f, spring f, as hereinafter described, and as illustrated in Fig.4. This construction is beneficial in that it equalizes the strain orfriction on the axle, and also the pawl on the under side of one wheelwill aid the pawl on the upper side of the other wheel, and vice versa,in the operation of the device.

In Fig. 4 I also show a balance-wheel, which gives the right stroke andalso secures a regularity of motion not otherwise attainable.

In the operation of my device I give reciprocating horizontal motion tothe connectingrods 9 by means of their connection with the wheels I) orby means of connection with piston-rod, as desired.

The notch f in barfisengaged by thespring d on each of the pawl-posts,and the point a of pawl e is held to the periphery of wheel 0, andmotion, as indicated in arrow, Fig. 2, will be given to said wheel. Itwill be understood that the pawls in each of the upper posts arearranged with the same bearingpoints on the wheels on which theyrespectively bear. Then, as the posts D have areciprocating rock ingmotion, as the one pawl is carrying the wheel forward, as indicated, theother is slipping back on the periphery of the wheel on which it bears,and as the one pawl finishes its working motion (which is the forwardone when the pawls are in the position shown in Fig. 2) the other pawlwill be back and ready to begin its work. When the spring f engages thenotches f the pawl is held clear of the periphery of the wheel. When thespring engages the notch f of bar f the point e of pawl bears on theperiphery of the wheel 0, and the opposite motion to that indicated inFig. 2 will be given the said wheel.

It will be seen that the spring d holds the point steadily to theperiphery of the wheel on the working stroke of the device, and yetpermits it to slide easily on the periphery on the return-stroke or willhold the said pawl clear of the wheel, as desired.

Having thus described my invention, what I claim, and desire to secureby Letters Patent,

ls- 1. The combination,substantially as hereinbefore set forth, of thewheel 0, the pawl-post D, pivoted and swinging concentrically with thewheel, and the pawl pivoted in the pawlpost and swinging therewith, andconstructed with the points 6 c and means whereby the said pawl is heldwith either of the said points bearing on or clear of the periphery ofthe said wheel, as and for the purposes described.

2. The combination,substantially as hereinbefore set forth, of the wheel0, the pawl e, pivoted in a frame rocking on the shaft of the saidwheel, and constructed with the points 6 c and means whereby the saidpawl may be held with one or the other of the said points 0 6 bearing onthe periphery of the wheel 0, as and for the purposes described.

3. The combination, with the shaft 0 and wheel 0, ot' the pawl-post D,the double-point- "ed pawl 49, pivoted between the bars of said post,barf, pivoted to the upper end of pawl e and provided with notches f 1'f and spring (1 having one of its ends fixed to the back board, (1, andits opposite end arranged to engage the notches in bar f, substantiallyas and for the purposes set forth.

In testimony whereof I affix my signature, in

presence of two witnesses, on this 20th day of February, 1882.

1 GEORGE W. RICHARDSON. Witnesses:

PoR'rms O. DEMING, H OMER. E. PownLL.

